@import '~antd/dist/antd.css';
* {
  margin: 0;
  padding: 0;
}
html,body {
  width: 100%;
  height: 100%;
}
#root {
  width: 100%;
  height: 100%;
}
.ant-layout {
  width: 100%;
  height: 100%;
}
.ant-layout-header {
  background: red;
}